Home / 85,071.64-127,626.51-25,911.94

Finding the Fourth Proportional to 85,071.64, 127,626.51 and 25,911.94

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Solution

The fourth proportional to 85,071.64, 127,626.51 and 25,911.94 is: 38,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,071.64 : 127,626.51 = 25,911.94 : x
  2. Step 2: Convert to fraction form
    85,071.64/127,626.51 = 25,911.94/x
  3. Step 3: Cross multiply
    85,071.64x = 127,626.51 × 25,911.94
  4. Step 4: Simplify right side
    85,071.64x = 3,307,049,701.84
  5. Step 5: Solve for x
    x = 3,307,049,701.84/85,071.64
  6. Step 6: Final answer
    x = 38,873.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.